129250683 has 12 divisors (see below), whose sum is σ = 188509360. Its totient is φ = 85329936.

The previous prime is 129250669. The next prime is 129250741. The reversal of 129250683 is 386052921.

It is not a de Polignac number, because 129250683 - 2⁶ = 129250619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129250613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68788 + ... + 70641.

Almost surely, 2^129250683 is an apocalyptic number.

129250683 is a deficient number, since it is larger than the sum of its proper divisors (59258677).

129250683 is a wasteful number, since it uses less digits than its factorization.

129250683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139538 (or 139535 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 129250683 is about 11368.8470391680. The cubic root of 129250683 is about 505.6045212932.

The spelling of 129250683 in words is "one hundred twenty-nine million, two hundred fifty thousand, six hundred eighty-three".